package cn.com.pajx.pajx_visitor_v3.utils;


import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.HanyuPinyinVCharType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;

import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;

public class PinyinUtil {
    /**
     * 获取拼音
     *
     * @param inputString 名字
     * @return 首字母
     */
    public static String getPingYin(String inputString) {
        HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
        format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        format.setVCharType(HanyuPinyinVCharType.WITH_V);

        char[] input = inputString.trim().toCharArray();
        StringBuilder output = new StringBuilder();

        try {
            for (char curChar : input) {
                if (Character.toString(curChar).matches("[\\u4E00-\\u9FA5]+")) {
                    String[] temp = PinyinHelper.toHanyuPinyinStringArray(curChar, format);
                    output.append(temp[0]);
                } else
                    output.append(curChar);
            }
        } catch (BadHanyuPinyinOutputFormatCombination e) {
            e.printStackTrace();
        }
        return output.toString();
    }

    /**
     * 获取第一个字的拼音首字母
     *
     * @param chinese 名字
     * @return 首字母
     */
    public static String getFirstSpell(String chinese) {
        StringBuilder pinYinBF = new StringBuilder();
        char[] arr = chinese.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (char curChar : arr) {
            if (curChar > 128) {
                try {
                    String[] temp = PinyinHelper.toHanyuPinyinStringArray(curChar, defaultFormat);
                    if (temp != null) {
                        pinYinBF.append(temp[0].charAt(0));
                    }
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                pinYinBF.append(curChar);
            }
        }
        return pinYinBF.toString().replaceAll("\\W", "").trim();
    }

    /**
     * 汉字转换位汉语拼音首字母，英文字符不变，特殊字符丢失 支持多音字，生成方式如（长沙市长:cssc,zssz,zssc,cssz）
     *
     * @param chines 汉字
     * @return 拼音
     */
    public static String converterToFirstSpell(String chines) {
        StringBuilder pinyinName = new StringBuilder();
        char[] nameChar = chines.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (char c : nameChar) {
            if (c > 128) {
                try {
                    // 取得当前汉字的所有全拼
                    String[] str = PinyinHelper.toHanyuPinyinStringArray(
                            c, defaultFormat);
                    if (str != null) {
                        for (int j = 0; j < str.length; j++) {
                            // 取首字母
                            pinyinName.append(str[j].charAt(0));
                            if (j != str.length - 1) {
                                pinyinName.append(",");
                            }
                        }
                    }
                    // else {
                    // pinyinName.append(nameChar[i]);
                    // }
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                pinyinName.append(c);
            }
            pinyinName.append(" ");
        }
        // return pinyinName.toString();
        return parseTheChineseByObject(discountTheChinese(pinyinName.toString()));
    }

    /**
     * 汉字转换位汉语全拼，英文字符不变，特殊字符丢失
     * 支持多音字，生成方式如（重当参:zhongdangcen,zhongdangcan,chongdangcen
     * ,chongdangshen,zhongdangshen,chongdangcan）
     *
     * @param chines 汉字
     * @return 拼音
     */
    public static String converterToSpell(String chines) {
        StringBuilder pinyinName = new StringBuilder();
        char[] nameChar = chines.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (char c : nameChar) {
            if (c > 128) {
                try {
                    // 取得当前汉字的所有全拼
                    String[] str = PinyinHelper.toHanyuPinyinStringArray(
                            c, defaultFormat);
                    if (str != null) {
                        for (int j = 0; j < str.length; j++) {
                            pinyinName.append(str[j]);
                            if (j != str.length - 1) {
                                pinyinName.append(",");
                            }
                        }
                    }
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                pinyinName.append(c);
            }
            pinyinName.append(" ");
        }
        // return pinyinName.toString();
        return parseTheChineseByObject(discountTheChinese(pinyinName.toString()));
    }

    /**
     * 去除多音字重复数据
     *
     * @param theStr 字符串
     * @return list
     */
    private static List<Map<String, Integer>> discountTheChinese(String theStr) {
        // 去除重复拼音后的拼音列表
        List<Map<String, Integer>> mapList = new ArrayList<>();
        // 用于处理每个字的多音字，去掉重复
        Map<String, Integer> onlyOne;
        String[] firsts = theStr.split(" ");
        // 读出每个汉字的拼音
        for (String str : firsts) {
            onlyOne = new Hashtable<>();
            String[] china = str.split(",");
            // 多音字处理
            for (String s : china) {
                Integer count = onlyOne.get(s);
                if (count == null) {
                    onlyOne.put(s, 1);
                } else {
                    onlyOne.remove(s);
                    count++;
                    onlyOne.put(s, count);
                }
            }
            mapList.add(onlyOne);
        }
        return mapList;
    }

    /**
     * 解析并组合拼音，对象合并方案(推荐使用)
     *
     * @return 字符串
     */
    private static String parseTheChineseByObject(
            List<Map<String, Integer>> list) {
        Map<String, Integer> first = null; // 用于统计每一次,集合组合数据
        // 遍历每一组集合
        for (int i = 0; i < list.size(); i++) {
            // 每一组集合与上一次组合的Map
            Map<String, Integer> temp = new Hashtable<>();
            // 第一次循环，first为空
            if (first != null) {
                // 取出上次组合与此次集合的字符，并保存
                for (String s : first.keySet()) {
                    for (String s1 : list.get(i).keySet()) {
                        String str = s + s1;
                        temp.put(str, 1);
                    }
                }
                // 清理上一次组合数据
                if (temp.size() > 0) {
                    first.clear();
                }
            } else {
                for (String s : list.get(i).keySet()) {
                    temp.put(s, 1);
                }
            }
            // 保存组合数据以便下次循环使用
            if (temp.size() > 0) {
                first = temp;
            }
        }
        StringBuilder returnStr = new StringBuilder();
        if (first != null) {
            // 遍历取出组合字符串
            for (String str : first.keySet()) {
                returnStr.append(str).append(",");
            }
        }
        if (returnStr.length() > 0) {
            returnStr = new StringBuilder(returnStr.substring(0, returnStr.length() - 1));
        }
        return returnStr.toString();
    }

}
